WO2017020290A1

WO2017020290A1 - Electronic cigarette and power supply apparatus thereof

Info

Publication number: WO2017020290A1
Application number: PCT/CN2015/086215
Authority: WO
Inventors: 刘平昆
Original assignee: 深圳麦克韦尔股份有限公司
Priority date: 2015-08-06
Filing date: 2015-08-06
Publication date: 2017-02-09
Also published as: CN107404936A; CN107404936B

Abstract

An electronic cigarette and a power supply apparatus (1) thereof. The power supply apparatus (1) is used for an electronic cigarette, comprising a housing (11) and an electrostatic friction film (12). An air inlet (111), an air outlet (112) and an airflow channel (113) connecting the air inlet (111) and the air outlet (112) are provided on the housing (11). The electrostatic friction film (12) is provided in the airflow channel (113), and the electrostatic friction film (12) induces an airflow change in the airflow channel (113), so as to generate electric energy to supply power to a heating member of the electronic cigarette. The electrostatic friction film (12) induces an airflow change when a user smokes, so as to generate electric energy to supply power to a heating member without charging a dedicated battery, thereby saving the electric energy; in addition, the usage is more convenient, and the case where the electronic cigarette cannot be used due to the fact that a charging operation is forgotten or electricity quantity is insufficient is avoided.

Description

Electronic cigarette and its power supply device

[0001] The present invention relates to cigarette substitutes, and more particularly to an electronic cigarette and its power supply device.

Background technique

[0002] There are many consumers around the world who are highly dependent on cigarettes. After smoking, they smoke into the lungs with nicotine, tar and other impurities, such as nicotine and tar. Other impurities will not only cause great harm to the smoker itself, but also the burning cigarette can pollute the environment and cause fire.

[0003] An alternative to cigarettes is electronic cigarettes. Existing electronic cigarettes typically use a lithium ion battery to power the heating wire, thereby atomizing the liquid. However, lithium-ion batteries require prior charging, which consumes power. technical problem

[0004] The technical problem to be solved by the present invention is to provide an improved electronic cigarette and its power supply device technical solution.

[0005] The technical solution adopted by the present invention to solve the technical problem thereof is: constructing a power supply device for electronic cigarettes, comprising:

[0006] a housing having an air inlet, an air outlet, and an air flow passage connecting the air outlet and the air outlet;

[0007] At least one electrostatic friction film is disposed in the air flow passage, and the electrostatic friction film senses a change in airflow in the air flow passage, thereby generating electrical energy to supply power to the heat generating component of the electronic cigarette.

[0008] Preferably, the electrostatic friction film includes a first film layer and a second film layer which are stacked and have different electronegativity, and the surface of the first film layer opposite to the second film layer is attached a first electrode layer, a surface of the second film layer opposite to the first film layer is bonded to the second electrode layer.

[0009] Preferably, the at least one electrostatic friction film includes a plurality of electrostatic friction films stacked at intervals, each of the electrostatic friction films being disposed along a flow direction of the air flow passage.

[0010] Preferably, the electrostatic friction film is curled and inserted in the air flow channel.

[0011] Preferably, the housing is a vertically long structure, and the air flow passage extends from one end of the housing to the other end Settings.

[0012] Preferably, the power supply device further includes a circuit board, the circuit board is provided with a controller, and the controller is electrically connected to the back surfaces of the two layers of the first film layer and the second film layer, And receiving the electrical energy generated by the change of the airflow induced by the electrostatic friction film, and the controller is further electrically connected to the heat generating component to transmit the electrical energy generated by the airflow change to the heat generating component.

[0013] Preferably, the first film layer and the second film layer are respectively composed of polyoxymethylene, ethyl cellulose, sponge, cotton fabric, rubber, rayon, polymethyl methacrylate, polyvinyl alcohol, polyethylene Made of a material of polypropylene, polyvinyl chloride, polydimethylsiloxane, or polytetrafluoroethylene.

[0014] Preferably, a rough friction surface is formed on at least one surface of the two surfaces to which the first film layer and the second film layer are bonded.

[0015] Preferably, the surface of the first film layer and the second film layer are distributed with a plurality of convex structures;

Or, the surface of the second film layer that is in contact with the first film layer is distributed with a plurality of convex structures.

[0016] Preferably, the raised structure comprises protrusions having a semicircular cross section and/or a polygonal shape and/or an elliptical shape.

[0017] Preferably, the edge of the first film layer and the edge of the second film layer are fixed to each other.

[0018] Preferably, the electrostatic friction film has a thickness of 1-100 μm.

[0019] The present invention also contemplates an electronic cigarette including the power supply device.

Problem solution

Advantageous effects of the invention

Beneficial effect

[0020] The electronic cigarette and the power supply device embodying the invention have the following beneficial effects: The electrostatic friction film in the invention changes the induced airflow when the user smokes, thereby generating electric energy to supply power to the heat generating component, and does not need to charge a special battery. It saves energy and, in addition, is more convenient to use, without having to forget the charging or the battery is too low to use the electronic cigarette.

Brief description of the drawing

DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic perspective structural view of a power supply device for an electronic cigarette according to an embodiment of the present invention; 2 is a cross-sectional view of the power supply device of FIG. 1;

3 is a partial schematic view of the electrostatic friction film of FIG. 2;

4 is a partial schematic view showing a convex structure 分布 distributed on a first film layer of the electrostatic friction film of FIG. 2.

BEST MODE FOR CARRYING OUT THE INVENTION

The embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0027] As shown in FIG. 1 and FIG. 2, the electronic cigarette in a preferred embodiment of the present invention includes a heating wire for atomizing the liquid smoke and a power supply device 1. When the user smokes and inhales, the power supply device 1 is a heat generating member. The power is supplied to heat the heat generating element to atomize the liquid smoke.

[0028] In some embodiments, the power supply device 1 includes a housing 11, a circuit board, and a plurality of electrostatic friction films 12. The housing 1 1 is provided with an air inlet 111, an air outlet 112, and an air flow passage 11 3 communicating with the air outlet 112 and the air outlet 112. The gas flowing out of the air outlet 112 flows in the direction of the heat generating member, and the liquid smoke on the heat generating member The atomization is transmitted to the mouthpiece. The electrostatic friction film 12 is disposed in the air flow passage 113. When the user smokes, the electrostatic friction film 12 induces a change in the airflow in the air flow passage 113, thereby generating electric energy to supply power to the heat generating member of the electronic cigarette, and atomizing the liquid smoke. The change of airflow generates electric energy, does not need to charge a special battery, saves electric energy, and is more convenient, and cannot be used because it is forgotten to be charged.

[0029] Preferably, the housing 11 is of a vertically long structure, and the air flow passage 113 is extended from one end of the housing 11 to the other end, and the air inlet 111 and the air outlet 112 are respectively located at opposite ends of the housing 11. A cover may also be provided on one end of the air inlet 111, which is provided at the end of the casing 11, and an air inlet 111 is reserved on the side. In other embodiments, the air flow passage 113 may also be other specific shapes formed in the housing 11 for the electrostatic friction film 12 to be mounted.

2 and 3, the electrostatic friction film 12 includes a first film layer 121 and a second film layer 122 which are laminated and have different electronegativity. There is a gas flow 吋 in the gas flow channel 113, and the first film layer 121 and the second film layer 122 move to each other. Two layers of materials having different electronegativity rub against each other under the change of the gas flow to generate static electricity, and the static electricity is in the two of the electrostatic friction film 12 The opposite surface induces a charge.

[0031] Further, the first film layer 121 and the second film layer 122 are respectively made of polyoxymethylene, ethyl cellulose, sponge, cotton fabric, rubber, rayon, polymethyl methacrylate, polyvinyl alcohol, polyethylene. Made of a material such as polypropylene, polyvinyl chloride, polydimethylsiloxane or polytetrafluoroethylene to enable mutual movement It is only necessary to generate static electricity to induce electric charge.

[0032] A plurality of electrostatic friction films 12 are stacked at intervals, and each of the electrostatic friction films 12 is disposed along the flow direction of the air flow path 113 to increase the contact surface of the gas with the electrostatic friction film 12. When the airflow flows through the airflow passage 113, the gas can be in contact with each of the electrostatic friction membranes 12, so that each of the electrostatic friction membranes 12 generates electric energy under the action of the airflow, thereby improving efficiency. In other embodiments, the plurality of electrostatic friction films 12 may also be respectively crimped and disposed in the air flow channel 113. The curvature and amplitude of the curl are not limited, and are spaced apart from each other to form a plurality of small channels, and a plurality of small arcs are small. The passage can increase the contact surface of the gas with the electrostatic friction film 12, and fully utilizes the gas flow to generate electric energy. Under the premise that the generated electric energy is sufficient, the number of the electrostatic friction film 12 may be one, and the shape of the cross section is bent or curved.

[0033] Further, a controller is disposed on the circuit board, and the controller is electrically connected to the back surfaces of the two layers of the first film layer 121 and the second film layer 122 to receive the electric energy generated by the change of the air flow induced by the electrostatic friction film 12, The controller is also electrically connected to the heat generating component to transfer the electrical energy generated by the airflow change to the heat generating component.

[0034] Preferably, the surface of the first film layer 121 opposite to the second film layer 122 is bonded with the first electrode layer 123, and the surface of the second film layer 122 opposite to the first film layer 121 is attached with the second surface. The electrode layer 124, the first electrode layer 123 and the second electrode layer 124 can facilitate the rapid collection and discharge of the charges induced by the back surfaces of the first film layer 121 and the second film layer 122, the first electrode layer 123, the second The electrode layer 124 is electrically connected to the controller to transfer the collected current to the heat generating member. In other embodiments, the first electrode layer 123 and the second electrode layer 124 may be replaced by electrode lines that are disposed on the surfaces of the first film layer 121 and the second film layer 122 so as to collect electric charges.

[0035] In some embodiments, a rough surface is formed on at least one surface of the two surfaces of the first film layer 121 and the second film layer 122 to increase the first film layer 121 and the second film layer 122. The area of friction between them increases the ability to generate charge.

[0036] As shown in FIG. 4, in other embodiments, a plurality of convex structures 125 may be distributed on the surface of the first film layer 121 and the second film layer 122. The convex structure 125 may be The friction area between the first film layer 121 and the second film layer 122 is increased to improve the ability to generate electric charges, and the heat generating member is easily turned on and generates sufficient heat. Preferably, the surface of the second film layer 122 that is in contact with the first film layer 121 is also distributed with a convex structure 125. Of course, it is also possible to provide the bump structure 125 only on the first film layer 121 or the second film layer 122 so as to improve the ability to generate electric charges. [0037] Preferably, the convex structure 125 includes a protrusion 1251 having a semicircular cross section. Further, the protrusion 1251 may have a polygonal or elliptical cross section, and the protrusion 1251 may also have a semicircular cross section and a polygonal shape. A plurality of elliptical segments of elliptical shape are combined to form a joint.

Further, the edge of the first film layer 121 and the edge of the second film layer 122 are fixed to each other to prevent the two layers of the first film layer 121 and the second film layer 122 from separating from each other and falling off. The edges of the first film layer 121 and the second film layer 122 may be fixed by a snap mechanism, or may be bonded or pressed.

Preferably, the thickness of the electrostatic friction film 12 is usually 1-100 μm, and the thickness of the electrostatic friction film 12 is too large to affect the vibration performance thereof, and the thickness of the electrostatic friction film 12 is too small to be easily damaged. The thickness of the electrostatic friction film 12 in this embodiment can ensure the vibration performance as well as the damage.

[0040] It is to be understood that the above technical features may be used in any combination without limitation.

The above description is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be used directly or indirectly. The related technical fields are all included in the scope of patent protection of the present invention.

Claims

Claim

A power supply device for an electronic cigarette, comprising:

a casing (11), the casing (11) is provided with an air inlet (111), an air outlet (112), and an air flow passage connecting the air outlet (112) and the air outlet (112) ( 11 3) ; and

At least one electrostatic friction film (12) is disposed in the air flow passage (113), and the electrostatic friction film (12) senses a change in airflow in the air flow passage (113), thereby generating electric power for the heat generating member of the electronic cigarette.

The power supply device according to claim 1, wherein the electrostatic friction film (12) includes a first film layer (121) and a second film layer (122) which are stacked and have different electronegativity, the a surface of the film layer (121) opposite to the second film layer (122) is bonded with a first electrode layer (123), and the second film layer (122) and the first film layer (121) The opposite surface is bonded to the second electrode layer (124).

The power supply device according to claim 2, wherein the at least one electrostatic friction film (12) comprises a plurality of electrostatic friction films (12) arranged at intervals, each of the electrostatic friction films (12) The flow direction of the air flow channel (113) is set.

The power supply device according to claim 2, wherein the electrostatic friction film (12) is crimped and inserted into the air flow path (113).

The power supply device according to any one of claims 1 to 4, wherein the casing (11) is a vertically long structure, and the air flow passage (113) is from one end of the casing (11) to another One end extends.

The power supply device according to claim 3 or 4, wherein the power supply device (1) further comprises a circuit board, the circuit board is provided with a controller, and the controller and the first film layer ( 121) The two-phase back surface of the second film layer (122) is electrically connected to receive the electric energy generated by the change of the airflow induced by the electrostatic friction film (12), and the controller is further electrically connected to the heat-generating component. The electric energy generated by the change of the air flow is transmitted to the heat generating member.

The power supply device according to any one of claims 2 to 4, wherein the first film layer (121) and the second film layer (122) are respectively made of polyoxymethylene, ethyl cellulose, sponge, cotton. Made of fabric, rubber, rayon, polymethyl methacrylate, polyvinyl alcohol, polyethylene, polypropylene, polyvinyl chloride, polydimethylsiloxane, and polytetrafluoroethylene.

[Claim 8] The power supply device according to any one of claims 2 to 4, wherein at least one of the two surfaces of the first film layer (121) and the second film layer (122) are bonded to each other A rough friction surface is formed thereon.

[Claim 9] The power supply device according to any one of claims 2 to 4, wherein a surface of the first film layer (121) and the second film layer (122) are in contact with each other a plurality of raised structures (125); and/or a surface of the second film layer (122) that is in contact with the first film layer (121) is distributed with a plurality of raised structures (125).

[Claim 10] The power supply device according to claim 9, wherein the convex structure (125) includes a protrusion (1251) having a semicircular cross section and/or a polygonal shape and/or an elliptical shape.

[Claim 11] The power supply device according to any one of claims 2 to 4, characterized in that the edge of the first film layer (121) and the edge of the second film layer (122) are fixed to each other.

[Claim 12] The power supply device according to any one of claims 1 to 4, wherein the electrostatic friction film (12) has a thickness of 1-100 μm.

[Claim 13] An electronic cigarette comprising the power supply device according to any one of claims 1-12